Where does this definition of operational research come from?
This entry for operational research is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does operational research appear elsewhere on Lughet?
Yes — operational research appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.